<customMapSource>
            <name>Google Map</name>
            <minZoom>0</minZoom>
            <maxZoom>19</maxZoom>
            <tileType>PNG</tileType>
            <tileUpdate>None</tileUpdate>
<url>http://mt0.google.com/vt/lyrs=m@176103410&#38;x={$x}&#38;y={$y}&#38;z={$z}&#38;s=Galileo</url>
</customMapSource>